261569385

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{25163}}^1$

素因数の和:25195

約数の個数: 64

約数和(自身を含む): 579778560

約数和(自身を除く): 318209175

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 27, 33, 35, 45, 55, 63, 77, 99, 105, 135, 165, 189, 231, 297, 315, 385, 495, 693, 945, 1155, 1485, 2079, 3465, 10395, 25163, 75489, 125815, 176141, 226467, 276793, 377445, 528423, 679401, 830379, 880705, 1132335, 1383965, 1585269, 1937551, 2491137, 2642115, 3397005, 4151895, 4755807, 5812653, 7473411, 7926345, 9687755, 12455685, 17437959, 23779035, 29063265, 37367055, 52313877, 87189795, 261569385]

約数ペア:

[(1, 261569385), (3, 87189795), (5, 52313877), (7, 37367055), (9, 29063265), (11, 23779035), (15, 17437959), (21, 12455685), (27, 9687755), (33, 7926345), (35, 7473411), (45, 5812653), (55, 4755807), (63, 4151895), (77, 3397005), (99, 2642115), (105, 2491137), (135, 1937551), (165, 1585269), (189, 1383965), (231, 1132335), (297, 880705), (315, 830379), (385, 679401), (495, 528423), (693, 377445), (945, 276793), (1155, 226467), (1485, 176141), (2079, 125815), (3465, 75489), (10395, 25163)]